主角偵探星鴨被各種委託調查中發生的意外事件弄得團團轉，被懷疑是未解决殺人事件的犯人，同時他也表示“看到了！閃耀的一顆星！”這句經典臺詞閃現了解决的方法。

Hoshikamo yearned to become a private detective and he now works as a private detective. He is not good at communicating with women. Hoshikamo once worked at a big private detective agency, but he now he runs his own private detective office. His office is situated within his grandmother's recycle shop. Hoshikamo solves various cases with his assistant Tsugumi Karato. He first met Tsugumi Karato when she was his client. She hired him to help her with a stalker.

ヨーロッパ企画によるオリジナル脚本で、探偵ドラマ史上最も“頭をユルめる”コメディーミステリー。有岡大貴演じる探偵の星鴨が、ハプニングに振り回されたり、未解決殺人事件の犯人と疑われたりしながら、「見えた！ 輝く一番星！」の決めぜりふとともに、ひらめきの速さで依頼を解決していく。

여성에게 서투른 탐정이 다양한 해프닝에 휩쓸리면서도 한순간의 번뜩임으로 사건을 해결해 나가는 이야기